/**************************************************************************** * arch/arm/src/armv7-r/barriers.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __ARCH_ARM_SRC_ARMV7_R_BARRIERS_H #define __ARCH_ARM_SRC_ARMV7_R_BARRIERS_H /**************************************************************************** * Included Files ****************************************************************************/ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* ARMv7-R memory barriers */ #define arm_isb(n) __asm__ __volatile__ ("isb " #n : : : "memory") #define arm_dsb(n) __asm__ __volatile__ ("dsb " #n : : : "memory") #define arm_dmb(n) __asm__ __volatile__ ("dmb " #n : : : "memory") #define ARM_DSB() arm_dsb(15) #define ARM_ISB() arm_isb(15) #define ARM_DMB() arm_dmb(15) #endif /* __ARCH_ARM_SRC_ARMV7_R_BARRIERS_H */